#pragma once
#include<iostream>
using namespace std;

class Date
{
public:
	Date(int year = 1, int month = 1,int day = 1);

	Date(const Date& d)
	{
		_year = d._year;
		_month = d._month;
		_day = d._day;
	}

	void Print()
	{
		cout << _year << "-" << _month << "-" << _day << endl;
	}

	bool operator<(const Date& x);
	bool operator==(const Date& x);
	bool operator<=(const Date& x);
	bool operator>=(const Date& x);
	bool operator>(const Date& x);
	bool operator!=(const Date& x);

	int GetMonthDay(int year,int month);
	Date operator+=(int day);
	Date operator+(int day);
	Date operator++();
	Date operator++(int);




private:
	int _year;
	int _month;
	int _day;
};